diff --git a/mozjs78.spec b/mozjs78.spec
index 0ab57d3..257cda5 100644
--- a/mozjs78.spec
+++ b/mozjs78.spec
@@ -6,6 +6,12 @@
 # Require tests to pass?
 %global require_tests     1
 
+# Linking fails on armv7hl when using bundled icu, use system one for it, there are bunch of more test failures
+# TODO: Examine the failures/maybe switch all arches to system-icu
+%ifarch armv7hl
+%global require_tests     0
+%endif
+
 %if 0%{?build_with_lto}
 # LTO is default since F33 and F32 package is backported as is, so no LTO there
 %else
@@ -24,7 +30,7 @@
 
 Name:           mozjs%{major}
 Version:        78.15.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        SpiderMonkey JavaScript library
 
 License:        MPLv2.0 and MPLv1.1 and BSD and GPLv2+ and GPLv3+ and LGPLv2+ and AFL and ASL 2.0
@@ -63,6 +69,9 @@ Patch30:        FixSharedArray.diff
 Patch31:        0002-D89554-autoconf1.diff
 Patch32:        0003-D94538-autoconf2.diff
 
+%ifarch armv7hl
+BuildRequires:  libicu-devel
+%endif
 BuildRequires:  cargo
 BuildRequires:  clang-devel
 BuildRequires:  gcc
@@ -169,7 +178,11 @@ export LINKFLAGS="%{?__global_ldflags}"
 export PYTHON="%{__python3}"
 
 %configure \
+%ifnarch armv7hl
   --without-system-icu \
+%else
+  --with-system-icu \
+%endif
   --with-system-zlib \
   --disable-tests \
   --disable-strip \
@@ -273,6 +286,9 @@ PYTHONPATH=tests/lib %{__python3} jit-test/jit_test.py -s -t 1800 --no-progress
 %{_includedir}/mozjs-%{major}/
 
 %changelog
+* Sun Feb 20 2022 Frantisek Zatloukal <fzatlouk@redhat.com> - 78.15.0-3
+- Switch to system-icu on armv7hl to fix FTBFS
+
 * Thu Jan 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 78.15.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild