diff --git a/coin/instructions/cmake_module_build_instructions.yaml b/coin/instructions/cmake_module_build_instructions.yaml
index 262fbfe5405..9ff964a7cc3 100644
--- a/coin/instructions/cmake_module_build_instructions.yaml
+++ b/coin/instructions/cmake_module_build_instructions.yaml
@@ -74,6 +74,9 @@ instructions:
     variableName: DESTDIR
     variableValue: "{{.InstallRoot}}"
   - !include "{{qt/qtbase}}/call_host_install.yaml"
+  - type: EnvironmentVariable
+    variableName: DESTDIR
+    variableValue: ""
   - type: SignPackage
     enable_if:
       condition: and
diff --git a/coin/instructions/cmake_qtbase_build_instructions.yaml b/coin/instructions/cmake_qtbase_build_instructions.yaml
index 05c05d0bfbf..4d3cffda9a5 100644
--- a/coin/instructions/cmake_qtbase_build_instructions.yaml
+++ b/coin/instructions/cmake_qtbase_build_instructions.yaml
@@ -71,6 +71,9 @@ instructions:
     variableName: DESTDIR
     variableValue: "{{.InstallRoot}}"
   - !include "{{qt/qtbase}}/call_host_install.yaml"
+  - type: EnvironmentVariable
+    variableName: DESTDIR
+    variableValue: ""
   - type: SignPackage
     enable_if:
       condition: and