diff --git a/.github/workflows/build.sh b/.github/workflows/build.sh
index 399ba951..212a313f 100755
--- a/.github/workflows/build.sh
+++ b/.github/workflows/build.sh
@@ -2,7 +2,7 @@ set -e o pipefail
 source .github/workflows/gh_ci_envvars.sh
 
 
-GH_MYMAKE_ARGS=""
+GH_MYMAKE_ARGS="-fPIC"
 GH_AUTOTOOLS_CXXFLAGS="-W -Wall -Wextra -Wno-unused-parameter -Wno-maybe-uninitialized"
 
 HYPERROGUE_USE_GLEW=$GH_HYP_GLEW
diff --git a/Makefile.simple b/Makefile.simple
index 02e951e3..dc5b843c 100644
--- a/Makefile.simple
+++ b/Makefile.simple
@@ -81,14 +81,14 @@ endif
 
 ifeq (${TOOLCHAIN},clang)
   CXXFLAGS_STD = -std=c++11
-  CXXFLAGS_EARLY += -march=native
+  CXXFLAGS_EARLY += -march=native -fPIC
   CXXFLAGS_EARLY += -W -Wall -Wextra -Werror -pedantic
   CXXFLAGS_EARLY += -Wno-unused-parameter -Wno-implicit-fallthrough -Wno-maybe-uninitialized -Wno-unknown-warning-option
 endif
 
 ifeq (${TOOLCHAIN},gcc)
   CXXFLAGS_STD = -std=c++11
-  CXXFLAGS_EARLY += -march=native
+  CXXFLAGS_EARLY += -march=native -fPIC
   CXXFLAGS_EARLY += -W -Wall -Wextra -Werror -pedantic
   CXXFLAGS_EARLY += -Wno-unused-parameter -Wno-implicit-fallthrough -Wno-maybe-uninitialized
 endif