diff --git a/pkgs/applications/gis/qmapshack/default.nix b/pkgs/applications/gis/qmapshack/default.nix
index ef036fb71b04..30231e7135ac 100644
--- a/pkgs/applications/gis/qmapshack/default.nix
+++ b/pkgs/applications/gis/qmapshack/default.nix
@@ -18,13 +18,13 @@ mkDerivation rec {
 
   cmakeFlags = [
     "-DROUTINO_XML_PATH=${routino}/share/routino"
-    "-DQUAZIP_INCLUDE_DIR=${quazip}/include/quazip5"
-    "-DLIBQUAZIP_LIBRARY=${quazip}/lib/libquazip.so"
   ];
 
   patches = [
     "${src}/FindPROJ4.patch"
-    "${src}/FindQuaZip5.patch"
+
+    # Support QuaZip 1.x.
+    ./pr350-support-quazip-1x.patch
   ];
 
   qtWrapperArgs = [
diff --git a/pkgs/applications/gis/qmapshack/pr350-support-quazip-1x.patch b/pkgs/applications/gis/qmapshack/pr350-support-quazip-1x.patch
new file mode 100644
index 000000000000..82ebed14dbbf
--- /dev/null
+++ b/pkgs/applications/gis/qmapshack/pr350-support-quazip-1x.patch
@@ -0,0 +1,141 @@
+From 8fb751c656a14020ba37fb91b7f7cba3c49d8504 Mon Sep 17 00:00:00 2001
+From: kiozen <oliver.eichler@gmx.de>
+Date: Sat, 20 Mar 2021 12:14:29 +0100
+Subject: [PATCH] [QMS-349] Upgrade to Quazip Qt5 V1.x
+
+Simply adjusted the cmake scripts
+---
+ CMakeLists.txt               |  2 +-
+ src/qmapshack/CMakeLists.txt | 27 +++++++++++++--------------
+ 3 files changed, 15 insertions(+), 15 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 8d2cf127..7420d9b2 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -152,7 +152,7 @@ find_package(GDAL                   REQUIRED)
+ find_package(PROJ                   REQUIRED)
+ find_package(JPEG                   REQUIRED)
+ find_package(ROUTINO                REQUIRED)
+-find_package(QuaZip5                REQUIRED)
++find_package(QuaZip-Qt5             REQUIRED)
+ find_package(ALGLIB                         ) # optional as we can use our local version
+ 
+ 
+diff --git a/src/qmapshack/CMakeLists.txt b/src/qmapshack/CMakeLists.txt
+index 08eeb183..9b3836d6 100644
+--- a/src/qmapshack/CMakeLists.txt
++++ b/src/qmapshack/CMakeLists.txt
+@@ -22,8 +22,8 @@ add_definitions(-DROUTINO_XML_PATH=${ROUTINO_XML_PATH})
+ # All source files needed to compile
+ ###############################################################################################
+ 
+-set( SRCS    
+-    CAbout.cpp    
++set( SRCS
++    CAbout.cpp
+     CMainWindow.cpp
+     CSingleInstanceProxy.cpp
+     canvas/CCanvas.cpp
+@@ -160,7 +160,7 @@ set( SRCS
+     gis/trk/CInvalidTrk.cpp
+     gis/trk/CKnownExtension.cpp
+     gis/trk/CListTrkPts.cpp
+-    gis/trk/CPropertyTrk.cpp    
++    gis/trk/CPropertyTrk.cpp
+     gis/trk/CScrOptTrk.cpp
+     gis/trk/CSelectActivityColor.cpp
+     gis/trk/CTableTrk.cpp
+@@ -272,7 +272,7 @@ set( SRCS
+     mouse/line/CLineOpMovePoint.cpp
+     mouse/line/CLineOpSelectRange.cpp
+     mouse/line/CScrOptEditLine.cpp
+-    mouse/line/CScrOptRangeLine.cpp    
++    mouse/line/CScrOptRangeLine.cpp
+     mouse/line/ILineOp.cpp
+     mouse/line/IMouseEditLine.cpp
+     plot/CPlot.cpp
+@@ -401,7 +401,7 @@ set( HDRS
+     gis/CGisListDB.h
+     gis/CGisListWks.h
+     gis/CGisWorkspace.h
+-    gis/CSelDevices.h    
++    gis/CSelDevices.h
+     gis/IGisItem.h
+     gis/IGisLine.h
+     gis/Poi.h
+@@ -512,7 +512,7 @@ set( HDRS
+     gis/trk/CInvalidTrk.h
+     gis/trk/CKnownExtension.h
+     gis/trk/CListTrkPts.h
+-    gis/trk/CPropertyTrk.h    
++    gis/trk/CPropertyTrk.h
+     gis/trk/CScrOptTrk.h
+     gis/trk/CSelectActivityColor.h
+     gis/trk/CTableTrk.h
+@@ -579,7 +579,7 @@ set( HDRS
+     map/CMapList.h
+     map/CMapMAP.h
+     map/CMapPathSetup.h
+-    map/CMapPropSetup.h    
++    map/CMapPropSetup.h
+     map/CMapRMAP.h
+     map/CMapTMS.h
+     map/CMapVRT.h
+@@ -655,7 +655,7 @@ set( HDRS
+     realtime/CRtSelectSource.h
+     realtime/CRtWorkspace.h
+     realtime/IRtInfo.h
+-    realtime/IRtRecord.h    
++    realtime/IRtRecord.h
+     realtime/IRtSource.h
+     realtime/gpstether/CRtGpsTether.h
+     realtime/gpstether/CRtGpsTetherInfo.h
+@@ -764,7 +764,7 @@ set( UIS
+     gis/search/IGeoSearchWebConfigDialog.ui
+     gis/search/ISearchExplanationDialog.ui
+     gis/summary/IGisSummary.ui
+-    gis/summary/IGisSummarySetup.ui    
++    gis/summary/IGisSummarySetup.ui
+     gis/trk/ICombineTrk.ui
+     gis/trk/ICutTrk.ui
+     gis/trk/IDetailsTrk.ui
+@@ -818,7 +818,7 @@ set( UIS
+     mouse/range/IActionSelect.ui
+     mouse/range/IRangeToolSetup.ui
+     mouse/range/IScrOptRangeTool.ui
+-    mouse/range/IScrOptRangeTrk.ui    
++    mouse/range/IScrOptRangeTrk.ui
+     mouse/IScrOptRuler.ui
+     mouse/IScrOptSelect.ui
+     mouse/line/IScrOptEditLine.ui
+@@ -899,7 +899,6 @@ include_directories(
+     ${PROJ_INCLUDE_DIRS}
+     ${ROUTINO_INCLUDE_DIRS}
+     ${ALGLIB_INCLUDE_DIRS}
+-    ${QUAZIP_INCLUDE_DIRS}
+ )
+ 
+ if(APPLE)
+@@ -934,10 +933,10 @@ endif(Qt5DBus_FOUND)
+ 
+ target_link_libraries(${APPLICATION_NAME}
+     Qt5::Widgets
+-    Qt5::Xml    
++    Qt5::Xml
+     Qt5::Sql
+     Qt5::PrintSupport
+-    Qt5::UiTools    
++    Qt5::UiTools
+     Qt5::Network
+     Qt5::WebEngineWidgets
+     Qt5::Qml
+@@ -947,7 +946,7 @@ target_link_libraries(${APPLICATION_NAME}
+     ${PROJ_LIBRARIES}
+     ${ROUTINO_LIBRARIES}
+     ${ALGLIB_LIBRARIES}
+-    ${QUAZIP_LIBRARIES}
++    QuaZip::QuaZip
+ )
+ 
+ if(APPLE)