diff --git a/modules/tpm2-tools b/modules/tpm2-tools
index bba25bc5..dbc86ebf 100644
--- a/modules/tpm2-tools
+++ b/modules/tpm2-tools
@@ -31,6 +31,9 @@ tpm2-tools_configure := \
 	--host $(MUSL_ARCH)-elf-linux \
 	--prefix "/" \
 	--disable-fapi \
+	--with-sysroot=$(INSTALL) \
+	TSS2_ESYS_3_0_CFLAGS="-I$(INSTALL)/include" \
+	TSS2_ESYS_3_0_LIBS="-ltss2-esys -L$(INSTALL)/lib" \
 	CFLAGS="-fdebug-prefix-map=$(INSTALL)=." \
 
 tpm2-tools_target := $(MAKE_JOBS) \
diff --git a/modules/tpm2-tss b/modules/tpm2-tss
index c8c1c84e..91e1a26c 100644
--- a/modules/tpm2-tss
+++ b/modules/tpm2-tss
@@ -21,6 +21,7 @@ tpm2-tss_configure := aclocal && automake --add-missing && autoreconf -fi \
 	$(CROSS_TOOLS) \
 	--host $(MUSL_ARCH)-elf-linux \
 	--prefix "/" \
+	--with-sysroot=$(INSTALL) \
 	--disable-doxygen-doc \
 	--disable-doxygen-html \
 	--disable-doxygen-man \