diff --git a/scram-tools.file/tools/gcc/gcc-cxxcompiler.xml b/scram-tools.file/tools/gcc/gcc-cxxcompiler.xml
index 99920b1f0aa..cac390abf9d 100644
--- a/scram-tools.file/tools/gcc/gcc-cxxcompiler.xml
+++ b/scram-tools.file/tools/gcc/gcc-cxxcompiler.xml
@@ -1,10 +1,10 @@
   <tool name="gcc-cxxcompiler" version="@TOOL_VERSION@" type="compiler">
     <client>
-	    <environment name="GCC_CXXCOMPILER_BASE" default="@TOOL_ROOT@"/>
+      <environment name="GCC_CXXCOMPILER_BASE" default="@TOOL_ROOT@"/>
 %if 0%{!?use_system_gcc:1}
-	    <environment name="CXX" value="$GCC_CXXCOMPILER_BASE/bin/c++@COMPILER_NAME_SUFFIX@"/>
+      <environment name="CXX" value="$GCC_CXXCOMPILER_BASE/bin/c++@COMPILER_NAME_SUFFIX@"/>
 %else
-	    <environment name="CXX" value="c++@COMPILER_NAME_SUFFIX@"/>
+      <environment name="CXX" value="c++@COMPILER_NAME_SUFFIX@"/>
 %endif
     </client>
     <flags CPPDEFINES="GNU_GCC _GNU_SOURCE @GCC_CPPDEFINES@"/>
diff --git a/scram-tools.file/tools/gcc/gcc-f77compiler.xml b/scram-tools.file/tools/gcc/gcc-f77compiler.xml
index 634e21e24cd..f72d7104d07 100644
--- a/scram-tools.file/tools/gcc/gcc-f77compiler.xml
+++ b/scram-tools.file/tools/gcc/gcc-f77compiler.xml
@@ -2,11 +2,11 @@
     <lib name="gfortran"/>
     <lib name="m"/>
     <client>
-	    <environment name="GCC_F77COMPILER_BASE" default="@TOOL_ROOT@"/>
+      <environment name="GCC_F77COMPILER_BASE" default="@TOOL_ROOT@"/>
 %if 0%{!?use_system_gcc:1}
-	    <environment name="FC" default="$GCC_F77COMPILER_BASE/bin/gfortran"/>
+      <environment name="FC" default="$GCC_F77COMPILER_BASE/bin/gfortran"/>
 %else
-            <environment name="FC" default="gfortran"/>
+      <environment name="FC" default="gfortran"/>
 %endif
     </client>
     <flags FFLAGS="-fno-second-underscore -Wunused -Wuninitialized -O3 @GCC_FFLAGS@"/>